Mice that exercise in running wheels exhibit increased neurogenesis in the brain. Crucial to this process is serotonin signaling. These are the findings of a study by researchers at the Max Delbrück Center Berlin-Buch. Surprisingly, ...
May 13, 2013
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Sensory hair cell loss is the major cause of hearing loss and balance disorders. The postnatal mammalian inner ear harbors progenitor cells which have the potential for hair cell regeneration and hearing recovery, but the ...
Dec 22, 2014
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Cancer is generally thought to arise from genetic damage within individual cells, but recent evidence has suggested that abnormal signaling in the surrounding tissue also plays an important role. In a study published September ...
Oct 3, 2016
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A study by Columbia researchers suggests that cells in the patient's intestine could be coaxed into making insulin, circumventing the need for a stem cell transplant. Until now, stem cell transplants have been seen by many ...
Mar 11, 2012
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The death of neurons, whether in the brain or the eye, can result in a number of human neurodegenerative disorders, from blindness to Parkinson's disease. Current treatments for these disorders can only slow the progression ...
Oct 5, 2020
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A deafened adult cannot recover the ability to hear, because the sensory hearing cells of the inner ear don't regenerate after damage. In two new studies, published in the Proceedings of the National Academy of the Sciences ...
Aug 14, 2023
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Upon the prick of a finger or scrape of the knee, neutrophils rush to the scene. These white blood cells are the first line of defense against infection in all multicellular organisms. "They are absolutely essential for life," ...
Oct 25, 2022
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The cerebral cortex, which controls higher processes such as perception, thought and cognition, is the most complex structure in the mammalian central nervous system. Although much is known about the intricate structure of ...
Nov 28, 2014
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Led by researchers at University of California San Diego School of Medicine, a diverse team of neuroscientists and surgeons successfully grafted human neural progenitor cells into rhesus monkeys with spinal cord injuries. ...
Feb 26, 2018
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When mutated, a gene known for its ability to repair DNA, appears to instead cause breast cancer, scientists report.
Mar 18, 2016
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